1. Aristotle University of Thessaloniki,Laboratory of Nonlinear Systems - Circuits & Complexity, School of Physics,Thessaloniki,Greece
2. Aristotle University of Thessaloniki,ELEDIA@AUTH, School of Physics,Thessaloniki,Greece,54124
3. University of Macedonia,Department of Applied Informatics,Thessaloniki,Greece
4. University of Western Macedonia,Department of Electrical and Computer Engineering,Kozani,Greece,50131
5. School of Physics, Aristotle University of Thessaloniki,Thessaloniki,Greece